WebThere are 25 known isotopes of potassium, three of which occur naturally: 39K (93.3%), 40K (0.0117%), and 41K (6.7%). Potassium-39 is composed of 19 protons, 20 neutrons, and 19 electrons. Potassium-40 is composed of 19 protons, 21 neutrons, and 19 electrons. Traces of K-40 are found in all potassium, and it is the most common radioisotope in ... Web30 aug. 2024 · How many protons does scandium have? 21 Scandium/Atomic number Scandium is the first element in the third column of the periodic table. It is classified as a …
Scandium - Periodic Table and Atomic Properties
WebName: Scandium Symbol: Sc Atomic Number: 21 Atomic Mass: 44.95591 amu Melting Point: 1539.0 °C (1812.15 K, 2802.2 °F) Boiling Point: 2832.0 °C (3105.15 K, 5129.6 °F) Number of Protons/Electrons: 21 Number of … WebProtons/Electrons: 21 Neutrons: 24 Shell structure: 2,8,9,2 Electron configuration: [Ar]3d14s2 Oxidation state: 3 Crystal structure: hexagonal. A rare transition element, … horngren s accounting
How Many Neutrons Does Scandium Have? - ScienceAlert.quest
Web9 feb. 2024 · Scandium, atomic number 21. How many neutrons does 24 have? The mass number, 24 indicates that its nucleus contains 12 protons (since the element is a neutral … WebAccording to the diagram, this helium atom contains two protons, two neutrons, and two electrons. The numbers of protons and electrons make sense: the atomic number of helium is 2 2, so any helium atom must have two protons in its nucleus (otherwise, it would be an atom of a different element!). WebTo find the number of valence electrons for Scandium (Sc) we need to look at its electron configuration. This is necessary because Sc is a transition metal ... horngrens accounting 11th edition answer key